There are a variety of ways line graphs can be used to clearly display complex information. Each axis is named by the quantity labelled on it. This might be \(x\) and \(y\), or time and temperature.

Instrument designs featuring a digital display may benefit from a secondary display that provides an analog version of the displayed parameter. A bar-graph display provides an easily interpreted ...

The scale on the left graph is inappropriate. The numbers go up higher than necessary on both axes. This means the points are squashed into a small part of the graph area and are difficult to read ...